Create chatroom and message classes to display messages

client/inc/ui/mainwindow.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include "models/chatroom.h"
 #include <QMainWindow>
 
 QT_BEGIN_NAMESPACE
@@ -17,6 +18,7 @@ public:
 
 private:
   Ui::MainWindow *ui;
+  Chatroom m_chatroom;
 
 public slots:
   void receiveMsg(QString &);